Some extra tests for vector
Merge branch 'master' of https://github.com/nutils/libmatrix
Added some asserts and vector and matrix unittests
Added asserts to check map compatibility
Option to provide "ownedmap" as constructor argument for a map. Needed in the case of unequal row and column maps.
Merge pull request #9 from CVerhoosel/master

Ownedmap argument for vector